Question

An open box of length 1.5 m,breadth 1 m,and height 1 m is to be made for use on trolley for carrying garden waste. how much sheet of metal will be required to make this box? The inside and outside surface of the box is to be painted with rust proof paint. at a rate of 150 rupees per square m,how much will it cost to paint the box?

Answer 1

₹97.5
By formula,
2 (l+b)h +lb